New MarkovModel with internal classes

Incorporated ResponseSeed and KGram into MarkovModel
Merge pull request #10 from brain-murphy/connorbranch

Connorbranch
merge conflicts on eric's branches
merged some whitespace. I'm kinda badass
Merge pull request #11 from brain-murphy/brian-branch

Brian branch
Fixed defaultModel()
merge eric's changes
Merge branch 'master' of https://github.com/brain-murphy/autopilot into brian-branch
Merge pull request #12 from brain-murphy/brian-branch

Brian branch
remove serialization
 merge